WeChat applet API drawing createLinearGradient (create linear gradient)


createLinearGradient

Definition

Create a linear gradient color.

Tip: You need to use addColorStop() to specify gradient points, at least two.

Parameters

QQ截图20170208135732.png

Example

const ctx = wx.createCanvasContext('myCanvas')// Create linear gradientconst grd = ctx.createLinearGradient(0, 0, 200, 0)
grd.addColorStop(0, 'red')
grd.addColorStop(1, 'white')// Fill with gradientctx.setFillStyle(grd)
ctx.fillRect(10, 10, 150, 80)
ctx.draw()

QQ截图20170208135744.png